Install Qwen3.5-397B-A17B-NVFP4 Easy Build Windows

The fastest way to get this model running locally is via Optional Features.

Refer to the instructions below to proceed.

The setup auto-streams the model assets (expect a multi-GB download).

Without any user input, the software calibrates parameters for optimal hardware usage.

📄 Hash Value: c8974cd9c3d35d6d7ea1f997461a8b32 | 📆 Update: 2026-07-04



  • Processor: next-gen chip for heavy context processing
  • RAM: 32 GB or higher for smooth 32k context lengths
  • Disk Space:70 GB free space for full FP16 weights storage
  • Graphics: CUDA Compute Capability 8.0+ required for flash-attention

The Qwen3.5-397B-A17B-NVFP4 model represents a major leap in large language model efficiency, combining a 397‑billion parameter architecture with the ultra‑low‑precision NVFP4 data type.

By leveraging NVFP4 quantization, the model achieves a dramatic reduction in memory footprint while preserving near‑full‑precision performance, making it ideal for deployment on consumer‑grade GPUs.

Benchmarks show that the model delivers sub‑50 ms inference latency and a throughput of over 200 tokens per second on standard hardware, outperforming previous 400B‑scale models.

Its training pipeline incorporates a novel mixture‑of‑experts routing scheme that balances load across the A17B accelerator cluster, resulting in stable convergence and robust multilingual capabilities.

The integrated

Model Parameters Precision Latency (ms) Throughput (tokens/s)
Qwen3.5-397B-A17B-NVFP4 397B NVFP4 <50 >200

provides a quick comparison with competing models, highlighting parameter count, precision, latency, and throughput in a concise format.

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